Ovidiu Rusu’s interpretation is characterized by a high-energy vocal delivery and a driving tempo that invites dance, specifically the "horă" or "sârbă" styles. The lyrics typically revolve around themes of love, longing, and the cyclical beauty of the seasons. By using the hazelnut leaf as a recurring motif, the song connects the listener to a shared cultural memory where nature acts as both a witness to human emotion and a mirror for the soul’s internal state.

The song "Frunzuliță de Alun," performed by Ovidiu Rusu, serves as a poignant representation of Romanian ethno-folk music, blending traditional rhythmic structures with modern instrumental arrangements. At its core, the piece is a celebration of nature and the pastoral identity, a theme deeply rooted in the Romanian "doină" and "joc" traditions. The title itself, which translates to "Little Hazelnut Leaf," utilizes a classic botanical metaphor common in Balkan folklore to signal a connection to the earth and the simplicity of rural life.

Ultimately, "Frunzuliță de Alun" is more than just a rhythmic folk song; it is a vessel for Romanian "dor"—that unique sense of longing and nostalgia. Through Rusu’s vibrant performance, the track reinforces the importance of folklore in maintaining national identity in a globalized world. It stands as a testament to the enduring power of simple imagery and traditional sounds to evoke a profound sense of belonging and joy.

Musically, the track features the prominent use of the accordion and violin, instruments that define the "lăutărească" influence within Rusu’s work. The arrangement maintains a balance between technical virtuosity and emotional accessibility, making it a staple at cultural celebrations and weddings. This synthesis of tradition and entertainment ensures that the song remains relevant to contemporary audiences while honoring the melodic heritage of the Banat or Transylvania regions.